Home / 14,391.52-21,587.32-4,003.28

Finding the Fourth Proportional to 14,391.52, 21,587.32 and 4,003.28

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Solution

The fourth proportional to 14,391.52, 21,587.32 and 4,003.28 is: 6,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.52 : 21,587.32 = 4,003.28 : x
  2. Step 2: Convert to fraction form
    14,391.52/21,587.32 = 4,003.28/x
  3. Step 3: Cross multiply
    14,391.52x = 21,587.32 × 4,003.28
  4. Step 4: Simplify right side
    14,391.52x = 86,420,086.41
  5. Step 5: Solve for x
    x = 86,420,086.41/14,391.52
  6. Step 6: Final answer
    x = 6,004.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.